Clock

Clock

Any instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display.

Industry: Chronometry

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Clock

St. Michael chimes

Chronometry; Clock

Chimes originally installed in the St. Michael church steeple in Charleston, SC in 1764.

spring-driven clock

Chronometry; Clock

A clock whose power is provided by springs, rather than falling weights.

A tool for safely winding a clock mainspring and inserting it into its barrel. There are various types, older ones consisting of a frame with a hooked projecting arbor on which the spring is wound by ...

spring

Chronometry; Clock

A spring may take many forms, and the perfect spring, when deflected within its elastic limit, always returns to the same shape. The most common material for all clock springs is hardened and ...

rocking ship

Chronometry; Clock

One of several variations of simple automata used to fill the arch space on the dials of some late 18th-century longcase clocks. The painted cut-out shape of a sailing ship is attached to the arbor ...

riveting stake

Chronometry; Clock

A block of hardened steel with a polished surface, pierced with a number of different-sized holes to receive arbors, in order that a pinion or staff can be supported while it is being riveted to a ...